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Tissue selection
| Location | No of samples |
| Gastric corpus | 4 |
| Antrum | 5 |
| Duodenum | 4 |
| Jejunum proximal | 2 |
| Distal | 3 |
| Ileum | 5 |
| Appendix vermiformis | 3 |
| Colon | 3 |
| Rectum | 3 |
Total number of patients, 27.
In two patients, two tissue samples with a different location were investigated and three tissue samples contained two locations.
Specimens contained a malignant neoplasm in 21 patients and inflammatory lesions in six patients.
